fuckernot Share definition Flag Meaning fuck-her-not. A fuckernot just can't get any action. He may try but at the end of the day he is still a fuckernot. That poor fuckernot. Hits on every girl in site but always sleeps alone. Such a shame. Some people just have no luck. fuckernot by Pete1_am January 16, 2008 Get the fuckernot mug.